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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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80
Here's a small kmeans that uses any of the 20-odd distances in
scipy.spatial.distance, or a user...
How can I check the size of a collection within a Django template?
...
MichielB
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answered May 23 '09 at 17:53
Alex MartelliAlex Mar...
Flatten an irregular list of lists
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390
Using generator functions can make your example a little easier to read and probably boost the p...
Moving average or running mean
... works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(moving_ave)
...
Is there a JavaScript strcmp()?
...
answered Jul 24 '09 at 18:38
newacctnewacct
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...
How to npm install to a specified directory?
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340
You can use the --prefix option:
mkdir -p ./install/here/node_modules
npm install --prefix ./in...
How can I get jquery .val() AFTER keypress event?
... Simon Arnold
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answered Jun 17 '10 at 16:11
Hooray Im HelpingHooray Im Helping
...
UIImage: Resize, then Crop
...h;
CGFloat targetHeight = targetSize.height;
CGFloat scaleFactor = 0.0;
CGFloat scaledWidth = targetWidth;
CGFloat scaledHeight = targetHeight;
CGPoint thumbnailPoint = CGPointMake(0.0,0.0);
if (CGSizeEqualToSize(imageSize, targetSize) == NO)
{
CGFloat widthFact...
Blocks on Swift (animateWithDuration:animations:completion:)
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202
the completion parameter in animateWithDuration takes a block which takes one boolean parameter...
How to write iOS app purely in C
...c_msgSend(self->window, sel_getUid("initWithFrame:"), (struct CGRect) { 0, 0, 320, 480 });
// here, we are creating our view controller, and our view. note the use of objc_getClass, because we cannot reference UIViewController directly in C.
id viewController = objc_msgSend(objc_msgSend(...